Spinning-frame roll.



0. U. BRAD Y.

5 IN 1N6 ROLL.

APPLI 1n .2. I91].

1 ,270,777. I Patented July 2, 1918.

WITNESSES v BY ATTORNEY ORSON U. BRADLEY, OF NORTH ADAMS, MASSACHUSETTS.

SPINNING-FRAME ROLL.

Specification of Letters Patent.

Patented July 2, 1918.

Application filed January 2, 1917. Serial No. 140,156.

To all whom it may concern:

Be it known that I, ORSON U. BRADLEY, a citizen of the United States, residing at North Adams, in the county of Berkshire and State of Massachusetts, have invented certain new and useful Im rovementsin Spinning-Frame Rolls, of which the following 1s a specification;

This invention has relation to rolls for spinning frames and has for an object to provide an improved process for covering or facing the same.

Another object of the invention is to provide a covering for spinning rolls of a nature whereby to form a substitute for lezilther at present employed in covering such r0 s.

A still further object of the invention is'to provide an improved cover or facing for spinnin rolls which will be resilient or yielda 1%, to the extent required by spinning rolls owing to the duty imposed upon the same during operation thereof in the spinning frame.

In the accompanyin drawings in which similar and correspon ing parts are designated by the same characters of reference throughout the several views in which they appear:

Figure 1, is a view in side elevation of a conventional type of spinning roll which has been covered according to my process.

Fig. 2, is a sectional view through the roll illustrating the different layers of material and Fig. .3, is a transverse section through one of the cylindrical portions thereof.

It has heretofore been the practice to cover the cylindrical portions of spinning rolls first with a relatively thick strip of cushioning material such as felt, etc., and subsequently covering said material with a strip of leather, relatively thin and polished upon its exterior. Owing to the expense of leather and disadvantages entering into its use, I propose to obviate this material and substitute other materials applied in a manner peculiar to my process.

After the usual manner I apply astrip of cushioning material to the roll said material being indicated at 1 in the drawings. This material may be felt, and is subsequently covered with one or more layers of linen or other fabric impregnated with a composition consisting largely of caoutchouc, one of its derivatives, gutta-percha or other substance winding the binding tap having similar properties. I have found however that the commercial article known commonly as tire tape fulfils the requirements. This impregnated fabric is wound upon the cushioning member, and caused to adhere thereto, and finally one or more layers of paper are gummed to the tape, which tape constitutes a combined filler and binder. In the drawings the filler and binder are indicated at 2, and the exterior layer of paper at 3. Finally a coating of cellulose or its products such as C8lll1l01d, is applied to the paper in the form of a solution, and the surface of the paper is covered as well as the edges of the cushioning material and binder. In a covering constructed in this manner the cushioning member 1 serves its usual purpose and the resiliency thereof is modified by the application of the binder wound thereabout, as by winding the binder more or less tightly around the roll, the cushioning member 1s compressed. Conversely, by e loosely around the roll the inherent elastlc properties of the cushion are permitted to be manifested to its fullest extent. The paper forming the exterior of the roll, especially when impregnated with the solution mentioned above, is given properties which increases coeflicient of friction to the desired de res and ren ders the surface of the material equal for all practical purposes to that provided by leather. Owing to the application-of the solution of cellulose or its derivatives, to the edges of the roll covering, the entrance of moisture thereinto is precluded, thereby greatly increasing the durability of the facing. oreover, owin to the provision of the binder holding within its structure an adhesive material of the nature set forth, the materials applied exterior] and interiorly to the binder are held toget er in a more or less compact form thereby rendering the covering for all practical purposes a single solid thickness. While I do not desire to limit myself to the particular formula of the solution applied to the exterior of the roller, at least not in this application, nevertheless I wish to state that the solution may comprise cellulose, dissolved in ether, benzol, or other suitable solvent, or the solution may comprise a derivative of cellulose, such as celluloid dissolved in a suitable medium.

While I have illustrated and described my invention with some degree of particularity, I reahre that various alterations thereover gard to the chemical substances employed in embodying the facing with a. spinning roll.

Therefore, I reserve the right and privilege of altering the steps of the process, interchanging the order in which they take place, or otherwise varying the nature ofmaterials employed within the spirit of the invention and the scope of the appended claims.

Having thus described my invention what I claim as new and desire to secureby'Letters Patent is:

1. The herein described process of covering spinning rolls which consists in coverin the same with a layer of cushioning materia binding the same with one or more layers of adhesive tape, subsequently applying to the tape one or more layers of paper and finally coating the paper with a solution of cellulose or one of its derivatives.

2. The herein described process of covering spinning rolls which consists in applying thereto a layer of cushioning material, bind- 3. A spinning roll having a facing which comprises an inner layer of cushioning mate rial, a super-imposed layer of adhesive tape wound th'ereabout, and one or more layers of paper applied to the tape, said paper being finally coated with a solution of cellulose or one of its derivatives.

4. A spinning roll havin a facing comprisin an inner layer of fe t, adhesive tape woun about said felt to compress the same, one or more layers of paper applied to the tape, and a coating of celluloid applied to the paper.

In testimony whereof I. alfix my signature in presence of two witnesses.

. ORSON U. BRADLEY. Witnesses:

CLARENCE M. MILES, EDWARD A. BOND. 

